Analysis
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max time kernel
28s -
max time network
29s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-02-2021 07:12
Static task
static1
Behavioral task
behavioral1
Sample
4ff9d33d146bde7f85713f2a7da2cebf.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
4ff9d33d146bde7f85713f2a7da2cebf.exe
Resource
win10v20201028
General
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Target
4ff9d33d146bde7f85713f2a7da2cebf.exe
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Size
1.4MB
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MD5
4ff9d33d146bde7f85713f2a7da2cebf
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SHA1
a56f3a9d26e72d93c11d218b91ac630c7045a517
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SHA256
e9a66c730fa980242a636338edc5351b82fc20ac3425b6bc1f3e4ec5ed8a5fe2
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SHA512
5d46074fa0083c18f326689d42e84cf91acde156d973f45a645ce3aba0305590d02bc050a55e46ea091a384baf5bac81ca1c183aecfd8f39135dfa847c28bb73
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/368-14-0x0000000000400000-0x0000000000426000-memory.dmp family_redline behavioral1/memory/368-15-0x000000000041EFE2-mapping.dmp family_redline behavioral1/memory/368-17-0x0000000000400000-0x0000000000426000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exepid process 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exedescription pid process target process PID 1724 set thread context of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
4ff9d33d146bde7f85713f2a7da2cebf.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 4ff9d33d146bde7f85713f2a7da2cebf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 4ff9d33d146bde7f85713f2a7da2cebf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AddInProcess32.exepid process 368 AddInProcess32.exe 368 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
4ff9d33d146bde7f85713f2a7da2cebf.exe13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exeAddInProcess32.exedescription pid process Token: SeDebugPrivilege 1924 4ff9d33d146bde7f85713f2a7da2cebf.exe Token: SeDebugPrivilege 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe Token: SeDebugPrivilege 368 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
4ff9d33d146bde7f85713f2a7da2cebf.exe13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exedescription pid process target process PID 1924 wrote to memory of 1724 1924 4ff9d33d146bde7f85713f2a7da2cebf.exe 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe PID 1924 wrote to memory of 1724 1924 4ff9d33d146bde7f85713f2a7da2cebf.exe 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe PID 1924 wrote to memory of 1724 1924 4ff9d33d146bde7f85713f2a7da2cebf.exe 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe PID 1924 wrote to memory of 1724 1924 4ff9d33d146bde7f85713f2a7da2cebf.exe 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe PID 1724 wrote to memory of 368 1724 13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4ff9d33d146bde7f85713f2a7da2cebf.exe"C:\Users\Admin\AppData\Local\Temp\4ff9d33d146bde7f85713f2a7da2cebf.exe"1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe"C:\Users\Admin\AppData\Local\Temp\13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exeMD5
b9ebdfadbca6a263cd89afe244ec75f3
SHA1872d93adc3840f7611ea15a8d6af4fdd0abd6c4f
SHA2563590c1266a6ead6bc01c6d6efb795eb6185c84fce22e7ba6e5efffca144df41e
SHA512b3c4126a94f3495753fe93af2a046ad7a5326bdadca98c0674729ebefd82bc4e9541ea690e15823054d36e533685df3840db6d7690fbfefd608ab56f151af6ba
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C:\Users\Admin\AppData\Local\Temp\13a6bcf8-999f-48d0-b2f5-b6185f2e1ec9.exeMD5
b9ebdfadbca6a263cd89afe244ec75f3
SHA1872d93adc3840f7611ea15a8d6af4fdd0abd6c4f
SHA2563590c1266a6ead6bc01c6d6efb795eb6185c84fce22e7ba6e5efffca144df41e
SHA512b3c4126a94f3495753fe93af2a046ad7a5326bdadca98c0674729ebefd82bc4e9541ea690e15823054d36e533685df3840db6d7690fbfefd608ab56f151af6ba
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memory/368-14-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/368-19-0x0000000004840000-0x0000000004841000-memory.dmpFilesize
4KB
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memory/368-17-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/368-16-0x00000000742C0000-0x00000000749AE000-memory.dmpFilesize
6.9MB
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memory/368-15-0x000000000041EFE2-mapping.dmp
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memory/1724-13-0x0000000004BA0000-0x0000000004BA1000-memory.dmpFilesize
4KB
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memory/1724-11-0x0000000000C10000-0x0000000000C11000-memory.dmpFilesize
4KB
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memory/1724-10-0x00000000742C0000-0x00000000749AE000-memory.dmpFilesize
6.9MB
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memory/1724-7-0x0000000000000000-mapping.dmp
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memory/1924-2-0x000007FEF5C90000-0x000007FEF667C000-memory.dmpFilesize
9.9MB
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memory/1924-6-0x000000001AF80000-0x000000001AF82000-memory.dmpFilesize
8KB
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memory/1924-5-0x00000000003C0000-0x00000000003C2000-memory.dmpFilesize
8KB
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memory/1924-3-0x00000000011C0000-0x00000000011C1000-memory.dmpFilesize
4KB